July weather forecast
Peoria, IL

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Street lights and tall buildings in the city of Peoria, Illinois, as well as the night sky reflected in the waterfront
Street lights and tall buildings in the city of Peoria, Illinois, as well as the night sky reflected in the waterfront

Weather in July

July distinguishes itself as the warmest month in Peoria, asserting the summer peak. It showcases maximum high temperatures and minimal wind speed, crafting an atmosphere of lazy summer days and tranquil warm nights. The city sees a reduction in rainfall, giving way to clear, sunny skies optimal for enjoying outdoor recreational activities. The town's serene riverside spots and extensive parks become popular hangout zones, underlining the seasonal charm. Despite being hot and humid, the gentle summer breezes especially in the evenings provide a respite and balance the temperature extremes.

Temperature

Peoria records the warmest temperatures in July, averaging a high of 82°F (27.8°C) and a low of 65.3°F (18.5°C).

Heat index

July's average heat index is estimated at a tropical 89.6°F (32°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.
The heat index's values are generally associated with conditions in shade and light breezes. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

The most humid month in Peoria is July, with an average relative humidity of 84%.

Rainfall

In Peoria, during July, the rain falls for 14.9 days and regularly aggregates up to 1.65" (42mm) of precipitation. Throughout the year, there are 129.2 rainfall days, and 17.24" (438mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in July in Peoria, Illinois, is 14h and 45min.
On the first day of the month, sunrise is at 5:31 am and sunset at 8:33 pm. On the last day of July, sunrise is at 5:54 am and sunset at 8:14 pm CDT.

Sunshine

In July, the average sunshine in Peoria is 10.1h.

UV index

The months with the highest UV index in Peoria are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In July, the UV index of 6 transforms into the following advice:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Frequently asked questions

What is the warmest month in Peoria?

July is the month when Peoria, Illinois, sees the average highest temperatures, with a high of 82°F (27.8°C) and a low of 65.3°F (18.5°C).

What are the temperatures in Peoria in July?

The average high-temperature, in July, in Peoria, is 82°F (27.8°C), while the average low-temperature is 65.3°F (18.5°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in July is estimated at 89.6°F (32°C).

What is the most humid month in Peoria?

The most humid month in Peoria is July, with an average relative humidity of 84%.

What is the average humidity in July in Peoria?

In July, the average relative humidity in Peoria, Illinois, is 84%.

How much does it rain in Peoria in July?

In July, the rain falls for 14.9 days. Throughout July, 1.65" (42mm) of precipitation is accumulated.

When it does not snow in Peoria?

May through September are months without snowfall in Peoria.

How many hours of daylight does Peoria have in July?

The average day length in July in Peoria, Illinois, is 14h and 45min.

What time are sunrise and sunset in July in Peoria?

In July, on the first day of the month, sunrise is at 5:31 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:14 pm CDT.

How long on average sun shines in July in Peoria?

In July, the average sunshine duration is 10.1h.

What are the months with the highest UV index in Peoria?

The months with the highest UV index in Peoria, Illinois, are June through August, with an average maximum UV index of 6.

What is the UV index intensity in July in Peoria?

In July, the average daily maximum UV index in Peoria is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Peoria, IL

Average temperature in July - Peoria, IL
  • Average high temperature in July: 82°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in July: 65.3°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in July
Peoria, IL

Average pressure in July - Peoria, IL
  • Average pressure in July: 29.97"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in July
Peoria, IL

Average wind speed in July - Peoria, IL
  • Average wind speed in July: 6.6mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in July
Peoria, IL

Average humidity in July - Peoria, IL
  • Average humidity in July: 84%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in July
Peoria, IL

Average rainfall in July - Peoria, IL
  • Average rainfall in July: 1.65"

The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is January (0.75").

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Average rainfall days in July
Peoria, IL

Average rainfall days in July - Peoria, IL
  • Average rainfall days in July: 14.9 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.6 days).

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Average snowfall in July
Peoria, IL

Average snowfall in July - Peoria, IL
  • Average snowfall in July: 0"

The month with the highest snowfall is January (2.36").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in July
Peoria, IL

Average snowfall days in July - Peoria, IL
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in July /
Average sunshine in July
Peoria, IL

Average daylight in July / Average sunshine in July - Peoria, IL
  • Average daylight in July: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in July: 10h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in July
Peoria, IL

Average sunshine days in July - Peoria, IL
  • Average sunshine days in July: 12.6 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in July
Peoria, IL

Average UV index in July - Peoria, IL
  • Average UV index in July: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in July
Peoria, IL

Average cloud cover in July - Peoria, IL
  • Average cloud cover in July: 31

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 29).

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Average visibility in July
Peoria, IL

Average visibility in July - Peoria, IL
  • Average visibility in July: 5mi

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).

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Peoria, Illinois, USA

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